3D printers have 'fingerprints,' a discovery that could help trace 3D-printed guns

Like fingerprints, no 3D printer is exactly the same. That's the takeaway from a new study that describes what's believed to be the first accurate method for tracing a 3D-printed object to the machine it came from. The advancement could help law enforcement and intelligence agencies track the origin of 3D-printed guns, counterfeit products and other goods.

from Top Technology News -- ScienceDaily https://ift.tt/2P8w06D